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Finding the Third Proportional to 1,666.13 and 2,612.25

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Solution

The third proportional to 1,666.13 and 2,612.25 is: 4,095.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666.13 : 2,612.25 = 2,612.25 : x
  2. Step 2: Convert to fraction form
    1,666.13/2,612.25 = 2,612.25/x
  3. Step 3: Cross multiply
    1,666.13x = 2,612.25 × 2,612.25
  4. Step 4: Simplify right side
    1,666.13x = 6,823,850.06
  5. Step 5: Solve for x
    x = 6,823,850.06/1,666.13
  6. Step 6: Final answer
    x = 4,095.64

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.